@import url(https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&display=swap);
:root {
  --primary-color: #212121;
  --bg-color: #fafafa;
  --card-bg: #ffffff;
  --text-main: #212121;
  --text-secondary: #757575;
  --divider-color: #eeeeee;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
}
[data-theme="dark"] {
  --primary-color: #ffffff;
  --bg-color: #121212;
  --card-bg: #1e1e1e;
  --text-main: #ffffff;
  --text-secondary: #b0b0b0;
  --divider-color: #333333;
}
body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: 'Montserrat', sans-serif;
  margin: 0;
  padding: 0;
  transition: background-color 0.3s, color 0.3s;
}
a {
  color: var(--primary-color);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.main-layout {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
}
.card {
  background-color: var(--card-bg);
  border-radius: 24px;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  transition: background-color 0.3s, box-shadow 0.3s;
}
.profile-header {
  text-align: center;
  position: relative;
  margin-bottom: 40px;
}
.theme-toggle {
  position: absolute;
  top: 0;
  right: 0;
  background: none;
  border: none;
  color: var(--primary-color);
  cursor: pointer;
  font-size: 1.2rem;
  padding: var(--spacing-md);
}
.social-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-top: var(--spacing-md);
}
.social-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 20px;
  background: transparent;
  color: var(--primary-color);
  border: 1px solid var(--divider-color);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  font-size: 0.9rem;
  text-decoration: none;
}
.social-btn:hover {
  background: rgba(128, 128, 128, 0.1);
  text-decoration: none;
}
.tabs {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--divider-color);
}
.tab {
  padding: var(--spacing-md);
  cursor: pointer;
  font-weight: bold;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: inherit;
  font-size: 1rem;
}
.tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}
.divider {
  height: 1px;
  background-color: var(--divider-color);
  margin: var(--spacing-md) 0;
}
.text-caption {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.text-title {
  font-size: 1.25rem;
  font-weight: bold;
  margin: 0 0 var(--spacing-sm) 0;
}
.text-body {
  font-size: 1rem;
  line-height: 1.5;
  margin: 0;
  white-space: pre-wrap;
}
.text-center {
  text-align: center;
}
.mb-sm {
  margin-bottom: var(--spacing-sm);
}
.mb-md {
  margin-bottom: var(--spacing-md);
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}
.tag {
  background-color: var(--divider-color);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}
@media screen and (max-width: 600px) {
  .main-layout {
    padding: var(--spacing-md) var(--spacing-sm);
  }
  .tabs {
    gap: var(--spacing-sm);
  }
  .tab {
    padding: var(--spacing-sm);
    font-size: 0.9rem;
  }
  .card {
    padding: var(--spacing-md);
  }
  .social-btn {
    padding: 6px 12px;
    font-size: 0.85rem;
  }
}